Run twine check with --strict

Author: dmtucker

tox.ini

@@ -60,7 +60,7 @@ deps =
     twine ~= 7.0.0
 commands =
     {envpython} -m build --outdir {envtmpdir} .
-    twine {posargs:check} {envtmpdir}/*
+    twine {posargs:check --strict} {envtmpdir}/*
 
 [testenv:static]
 deps =